This is pretty close to an actual sales call I received.
The sales person's name has been changed. The company name
has not. I think we'll stick with our current provider.

Bob: Hello, I'm Bob ______ from AT&T, and I'm calling to let
you know about the Internet services we offer. Do you have a
minute to...
Me: I'm kind of busy right now, but if you could just email me
the information I'll call you back if I'm interested. My address is...
Bob: Could I have your fax number? We're behind a firewall, so our
email doesn't always get through.